Q31.The molarity of a solution obtained by mixing 750 mL of 0. 5(M) HCl with 250 mL of 2(M) HCl will be (1) 1. 75 M (2) 0. 975 M (3) 0. 875 M (4) 1. 00 M
What This Question Tests
This question tests the ability to calculate the molarity of a solution obtained by mixing two solutions of the same solute but different concentrations and volumes.
Concepts Tested
Formulas Used
M_final = (M1V1 + M2V2) / (V1 + V2)
๐ NCERT Sections This Tests
1.30 โ Calculate The Amount Of Benzoic Acid (C6H5Cooh) Required For Preparing 250
Chemistry Class 11 ยท Chapter 1
1.30 Calculate the amount of benzoic acid (C6H5COOH) required for preparing 250 mL of 0.15 M solution in methanol.
1.4 โ Concentrated Nitric Acid Used In Laboratory Work Is 68% Nitric Acid By Mass In
Chemistry Class 11 ยท Chapter 1
1.4 Concentrated nitric acid used in laboratory work is 68% nitric acid by mass in aqueous solution. What should be the molarity of such a sample of the acid if the density of the solution is 1.504 g mLโ1? 27 Solutions Reprint 2025-26
1.3 โ Define The Following Terms:
Chemistry Class 11 ยท Chapter 1
1.3 Define the following terms: (i) Mole fraction (ii) Molality (iii) Molarity (iv) Mass percentage.
๐ Question Details
- Chapter
- Solutions
- Topic
- Molarity of mixed solutions
- Year
- 2013
- Shift
- 07 Apr
- Q Number
- Q31
- Type
- MCQ
- NCERT Ref
- Class 11 Chemistry Ch 1: Some Basic Concepts of Chemistry
More from this Chapter
Q81.The orbital angular momentum for an electron revolving in an orbit is given by โl(l + 1) โ 2ฯh . This momentum for an s-electron will be given by (1) zero (2) h 2ฯ (3) โ2 โ 2ฯh (4) + 21 โ 2ฯh JEE Main 2003 JEE Main Previous Year Paper
Q90.Which one of the following aqueous solutions will exhibit highest boiling point? (1) 0.01MNa2SO4 (2) 0.015M glucose (3) 0.015M urea (4) 0.01MKNO3
Q79.Two solutions of a substance (non electrolyte) are mixed in the following manner. 480 ml of 1.5 M first solution + 520 mL of 1.2 M second solution. What is the molarity of the final mixture? (1) 1.20 M (2) 1.50 M (3) 1.344 M (4) 2.70 M
Q92.Benzene and toluene form nearly ideal solutions. At 20โC, the vapour pressure of benzene is 75 torr and that of toluene is 22 torr. The partial vapour pressure of benzene at 20โC for a solution containing 78 g of benzene and 46 g of toluene in torr is (1) 50 (2) 25 (3) 37.5 (4) 53.5